Fuses (SC) in the block under the front panel on the left
Figure 30 shows the fuse box cover on the left side of the front panel.
Color coding of fuses
| 30 A | green | 10 A | red |
| 25 A | white | 7.5 A | brown |
| 20 A | yellow | 5 A | beige |
| 15 A | blue | 3 A | lilac |
List of fuses (SC) located in fuse box C
| № | Designation on diagrams | Denomination | Function/node | Food chain |
| 1 | SC1 | not used | 15 | |
| 2 | SC2 | 5A | J345 trailer recognition control unit | 15 |
| 3 | SC3 | 5A | E16 heater switch and operating mode selection G65 high pressure sensor | 15 |
| 4 | SC4 | not used | 15 | |
| 5 | SC5 | not used | 15 | |
| 6 | SC6 | not used | 15 | |
| 7 | SC7 | 5A | E94 Driver's seat heating regulator E95 Front passenger seat heating control | 75 |
| 8 | SC8 | 5A | Z20 heating resistor for left windshield washer nozzle Z21 heating resistor of the right windshield washer nozzle | 75 |
| 9 | SC9 | 5A | J234 airbag control unit K145 Front passenger airbag deactivation indicator lamp | 15 |
| 10 | SC10 | 5A | J412 control unit for mobile telephone operating electronics | 15 |
| 11 | SC11 | 10A | J500 power steering control unit | 15 |
| 12 | SC12 | not used | 15 | |
| 13 | SC13 | not used | 15 | |
| 14 | SC14 | 5A | E132 ASR switch E256 ASR and ESP deactivation button J104 ABS control unit with EDS | 15 |
| 15 | SC15 | 10A | F4 reversing light switch J485 relay for operation in independent heating mode (since May 2004) | 15 |
| 16 | SC16 | 5A | J533 data bus diagnostic interface | 15 |
| 17 | SC17 | 7.5A | M41 left side light and rear fog light bulb (cars without central locking) | 55 |
| 18 | SC18 | not used | ||
| 19 | SC19 | not used | ||
| 20 | SC20 | not used | 30 | |
| 21 | SC21 | not used | 30 | |
| 22 | SC22 | 5A | R149 Additional liquid heater radio signal receiving device | 30 |
| 23 | SC23 | 10A | F brake light switch M9 left brake light bulb M10 right brake light bulb M25 high-mounted brake light bulb J104 ABS control unit | 30 |
| 24 | SC24 | 10A | E1 light switch J301 air conditioning control unit T16 diagnostic connector (T16/16) | 30 |
| 25 | SC25 | 30A | J131 Driver's seat heating control unit J132 Control unit for front passenger seat heating | 30 |
| 26 | SC26 | 10A | engine control units | 15 |
| 27 | SC27 | 15A | V12 rear window wiper motor (since May 2004) | 15 |
| 28 | SC28 | 5A | E1 light switch (cars with central locking) | 75 |
| 20A | E7 fog light switch (cars without central locking) | 75 | ||
| 20A | E18 rear fog light switch (cars without central locking) | 75 | ||
| 30 | SC30 | E1 light switch (cars without central locking) | ||
| 31 | SC31 | 25A | 485 relay for operation in autonomous heater mode (until April 2004) | |
| 32 | SC32 | 15A | V5 washer pump | |
| 33 | SC33 | not used | ||
| 34 | SC34 | not used | ||
| 35 | SC35 | 40A | V2 supply fan J485 relay for operation in independent heating mode | |
| 36 | SC36 | not used | ||
| 37 | SC37 | 15A | M31 right low beam headlight bulb (cars without central locking) | |
| 38 | SC38 | 15A | M29 left low beam headlight bulb (only cars without central locking) | |
| 39 | SC39 | not used | ||
| 40 | SC40 | 20A | J345 trailer recognition control unit | |
| 41 | SC41 | 20A | U10 TSU socket | |
| 42 | SC42 | 15A 30A | U5 12V socket (next to the parking brake lever) U5 12V socket (next to the parking brake lever) U18 socket (12V) on the left in the luggage compartment | |
| 43 | SC43 | 15A | J49 relay of electric fuel pump 2 (BCA, BGU) J17 fuel pump relay (BDJ, BJB) G6 fuel pump | |
| 44 | SC44 | 5A | C273 interior security system sensor G384 vehicle tilt sensor | |
| 45 | SC45 | 5A | J515 antenna selection control unit | 30 |
| 46 | SC46 | 7.5A | J519 On-board power supply control unit | 30 |
| 47 | SC47 | 25A 30A | U1 cigarette lighter U1 cigarette lighter U9 rear cigarette lighter | 30 |
| 48 | SC48 | 20A | J39 headlight cleaning system relay VII headlight washer pump | 30 |
| 49 | SC49 | 10A | J386 Driver's door control unit J387 Front passenger door control unit | 30 |
| 50 | SC50 | not used | 30 | |
| 51 | SC51 | not used | 30 | |
| 52 | SC52 | 25A | J13 supply fan relay J519 On-board power supply control unit | 30 |
| 53 | SC53 | 25A | J393 central control unit for comfort systems | 30 |
| 54 | SC54 | not used | 30 | |
| 55 | SC55 | not used | 30 | |
| 56 | SC56 | not used | 30 | |
| 57 | SC57 | not used | ||
| 58 | SC58 | not used |
Fuses (SB) located in the junction box, in the engine compartment on the left
Color coding of fuses
| 30 A | green | 20 A | yellow | 10 A | red | 5 A | beige |
| 25 A | white | 15 A | blue | 7.5 A | brown | 3 A | lilac |
List of fuses (SB) located in fuse box B
| № | Designation on diagrams | Denomination | Function/node | Food chain |
| F1 | SB1 | 30A | J104 ABS control unit | 30 |
| F2 | S82 | 30A | J104 ABS control unit | 30 |
| F3 | SB3 | not used | 30 | |
| F4 | SB4 | 5A | J519 On-board power supply control unit | 30 |
| F5 | SB5 | 20A | H2 high tone signal H7 low tone signal J4 horn relay | 30 |
| F6 | SB6 | 20A | N70 ignition coil 1 with output stage N127 ignition coil 2 with output stage N₂ 91 ignition coil 3 with output stage N₂ 92 ignition coil 4 with output stage N152 ignition coil | 30 |
| F7 | SB7 | 5A | F47 brake pedal switch J... engine control units G476 clutch pedal position sensor | 30 |
| F8 | SBB | 10A | N18 EGR valve N80 solenoid valve 1 absorber J293 radiator fan control unit V157 Electric motor for driving the air flap/intake manifold flaps | 87 |
| F9 | SB9 | 10A | J17 fuel pump relay (BDJ, BJB) | 87 |
| F10 | SB10 | 10A | N18 EGR valve N75 boost pressure limiting solenoid valve N345 EGR cooler changeover valve | 87 |
| F11 | SB11 | 25A 30A | J220 Motronik control unit (BCA, 8GU) J248 diesel injection system control unit (BDJ, BJB) | 87 |
| F12 | SB12 | 10A | G39 lambda probe (BCA) C130 lambda probe after catalytic converter (BCA) | 87 |
| F13 | SB13 | not used | 30 | |
| F14 | SB14 | not used | 30 | |
| F15 | SB15 | 40A | In the starter (power supply chain 50) | 50 |
| F1S | SB16 | 15A | J527 steering column control unit | 30 |
| F17 | SB17 | 10A | J285 control unit for instrument cluster | 30 |
| F18 | SB18 | not used | 30 | |
| F19 | SB19 | 15A | R radio J503 control unit with display for radio navigation system | 30 |
| F20 | SB2O | 10A | J412 control unit for mobile telephone operating electronics | 30 |
| F21 | SB21 | not used | 30 | |
| F22 | SB22 | not used | 30 | |
| F23 | SB23 | not used | 30 | |
| F24 | SB24 | 10A | J533 data bus diagnostic interface | 30 |
| F25 | SB25 | not used | 30 | |
| F26 | SB26 | 10A 5A | J220 Motronik control unit (BCA) J317 Terminal 30 Power Supply Relay (VSA) J317 terminal 30 power supply relay (BDJ, BJB) | 30 |
| F27 | SB27 | 10A | N79 Heating resistor for engine crankcase ventilation system | 15 |
| F32 | SB32 | 40A | Q10 glow plug 1 (BDJ) Q11 glow plug 2 (BOJ) | 87 |
| F33 | SB33 | 40A 15A | Q12 glow plug 3 (BDJ) Q13 glow plug 4 (BDJ) G6 fuel pump (BSA, BGU) | 87 |
| F34 | SB34 | not used | 30 | |
| F35 | SB35 | not used | 30 | |
| F35 | SB36 | not used | 30 | |
| F37 | SB37 | not used | 30 | |
| F3S | SB38 | 10A | E102 headlight range control V48 left headlight range control actuator V49 Right headlight range control actuator | 30 |
| F39 | SB39 | 5A | C266 oil level and temperature sensor J285 control unit for instrument cluster | 15 |
| F40 | SB40 | 20A | Power SC1, SC2, SC3, SC4, SC5, SC6, SC9. SCIO, SC11, SC12. SC13, SC14, SC15, SC16, SC25, SC26. SC27 | 15 |
| F41 | SB41 | not used | 15 | |
| F42 | SB42 | 5A 10A | J17 fuel pump relay (BCA, BGU) J52 glow plug relay (BDJ) G70 air flow meter (BJB) | 15 |
| F43 | SB43 | not used | 15 | |
| F44 | SB44 | not used | 87a | |
| F45 | SB45 | 15A | G39 lambda probe (BGU) G130 Lambda probe after catalytic converter (BGU) | 87a |
| F46 | SB46 | not used | 87a | |
| F47 | SB47 | 40A | J519 On-board power supply control unit Left headlight (cars with central locking) | 30 |
| F48 | SB48 | 40A | J519 On-board power supply control unit Right headlight (cars with central locking) | 30 |
| F49 | SB49 | not used | 30 | |
| F53 | SB50 | not used | 30 | |
| F51 | SB5 | 50 40 | J179 glow plug control unit (BJB) Q10 glow plug 1 (BJB) Q11 glow plug 2 (BJB) Q12 glow plug 3 (BJB) Q13 glow plug 4 (BJB) J299 Secondary Air Pump Relay (BGU) V101 Secondary Air Pump Motor (BGU) | 30 |
| F52 | SB52 | not used | 30 | |
| F53 | SB53 | 25A | J386 Driver's door control unit J387 Front passenger door control unit | 30 |
| F54 | SB54 | 50A | J293 radiator fan control unit | 30 |
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